he threw her towards oncoming traffic. >> reporter: roxy was rushed to er but it was too late. >> they said she was pretty bad, in critical condition, so i had to put her down. >> it was horrendous. >> reporter: michael saw the whole thing. >> she didn't have enough money, he took her dog, lifted it over his head and hurled it into moving traffic. >> reporter: sfpd is looking for video evidence from the scene. this woman's heart is broken. >> i can't sleep, i can't close my eyes because the second i do i see everything in my head again. >> reporter: if anyone has any information leading to the arrest and conviction of the person who killed rockies, there is a $1,000 reward. reporting from san francisco, patrick sedieio, cbs 5. >> isn't that awful? a vigil was held last night at walnut creek for a young man shot and killed during a confrontation with police earlier this week. the vigil was held outside of the hair salon where he worked. the police were called to an apartment early thursday where a woman said that banta was attacking his roommate. the police say he was armed with a knife